Weather in Brownsville, Texas for December 2025
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Until now, December 2025 in Brownsville is slightly cooler than the historical average by -1.8 °F.
Expect cooler weather in the next days in Brownsville with the forecast suggesting a temperature of 26.9 °F, lower than the historical average.
In general, the average temperature in Brownsville at the beginning of December is 21.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 27.7 °F by the end of December.
Brownsville experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 93.3 mm.
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Brownsville Weather December
Temperatures trend during December in Brownsville
December weather in Brownsville day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 20° /15° | 0 mm | 5 | |
| Dec. 2 |  Light rain shower | 22° /16° | 2.8 mm | 5 | |
| Dec. 3 | Overcast | 22° /14° | 0 mm | 5 | |
| Dec. 4 |  Fog | 22° /15° | 5 mm | 5 | |
| Dec. 5 | Fog | 20° /14° | 3.4 mm | 4 | |
| Dec. 6 | Patchy rain possible | 21° /15° | 27.3 mm | 5 | |
| Dec. 7 | Patchy rain possible | 22° /15° | 8.1 mm | 5 | |
| Dec. 8 | Overcast | 21° /14° | 0 mm | 5 | |
| Dec. 9 | Overcast | 24° /17° | 0.2 mm | 5 | |
| Dec. 10 | Overcast | 23° /13° | 0.6 mm | 5 | |
| Dec. 11 | Overcast | 20° /13° | 0 mm | 5 | |
| Dec. 12 | Light rain shower | 22° /15° | 0.9 mm | 5 | |
| Dec. 13 | Light rain shower | 24° /20° | 10.9 mm | 5 | |
| Dec. 14 | Light rain shower | 24° /18° | 5.5 mm | 5 | |
| Dec. 15 | Light rain shower | 22° /16° | 2.5 mm | 5 | |
| Dec. 16 | Overcast | 22° /16° | 0.1 mm | 5 | |
| Dec. 17 |  Sunny | 23° /17° | 0 mm | 5 | |
| Dec. 18 |  Partly cloudy | 24° /17° | 4.5 mm | 6 | |
| Dec. 19 | Sunny | 25° /17° | 0 mm | 1 | |
| Dec. 20 | Fog | 29° /16° | 0 mm | 1 | |
| Dec. 21 | Overcast | 27° /21° | 0 mm | 1 | |
| Dec. 22 | Partly cloudy | 28° /22° | 0 mm | 1 | |
| Dec. 23 | Patchy rain possible | 27° /22° | 0.1 mm | 0 | |
| Dec. 24 | Patchy rain possible | 27° /21° | 0 mm | 5 | |
| Dec. 25 | Patchy rain possible | 27° /21° | 0.1 mm | 5 | |
| Dec. 26 | Patchy rain possible | 27° /21° | 0 mm | 5 | |
| Dec. 27 | Sunny | 27° /20° | 0 mm | 6 | |
| Dec. 28 | Partly cloudy | 28° /22° | 0.1 mm | 6 | |
| Dec. 29 | Patchy rain possible | 27° /23° | 0.8 mm | 5 | |
| Dec. 30 | Patchy rain possible | 29° /22° | 0.3 mm | 5 | |
| Dec. 31 | Patchy rain possible | 29° /23° | 0.2 mm | 6 | |
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Brownsville in December - FAQ
December rainfall patterns in Brownsville
UV exposure in Brownsville during December
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Where is Brownsville?Get accurate weather forecasts for Brownsville, located at latitude 25.902 and longitude -97.497. Stay updated with localized weather information tailored for Brownsville.